--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/api/metadata/eventtype/TestGetFields.java 2020-01-30 06:29:55.007238384 +0000 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.api.metadata.eventtype; + +import java.util.ArrayList; +import java.util.List; + +import jdk.jfr.Event; +import jdk.jfr.EventType; +import jdk.jfr.ValueDescriptor; +import jdk.test.lib.Asserts; + +/** + * @test + * @summary Test getFields() + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetFields + */ +public class TestGetFields { + + public static void main(String[] args) throws Throwable { + List actuals = new ArrayList<>(); + EventType type = EventType.getEventType(MyEvent.class); + for (ValueDescriptor d : type.getFields()) { + if (d.getName().startsWith("my")) { + String s = getCompareString(d); + System.out.println("Actual: " + s); + actuals.add(s); + } + } + + String[] expected = { + "name=myByte; typename=byte", + "name=myInt; typename=int", + "name=myString; typename=java.lang.String", + "name=myClass; typename=java.lang.Class", + "name=myThread; typename=java.lang.Thread" + }; + for (String s : expected) { + Asserts.assertTrue(actuals.contains(s), "Missing expected value " + s); + } + Asserts.assertEquals(expected.length, actuals.size(), "Wrong number of fields found"); + } + + private static String getCompareString(ValueDescriptor d) { + return String.format("name=%s; typename=%s", + d.getName(), + d.getTypeName()); + } + + @SuppressWarnings("unused") + private static class MyEvent extends Event { + public byte myByte; + private int myInt; + protected String myString; + public static int myStatic; // Should not be included + @SuppressWarnings("rawtypes") + public Class myClass; + public Thread myThread; + } +}